This section of the Tomcat documentation attempts to explain the architecture and design of the Tomcat IIS. It includes significant contributions from several tomcat developers:

• Yoav Shapira (yoavs@apache.org)
• Jeanfrancois Arcand (jfarcand@apache.org)
• Filip Hanik (fhanik@apache.org)

The information presented is divided into the following sections:

• Overview - An overview of the Tomcat IIS architecture with key terms and concepts.
• IIS Startup - A detailed description, with sequence diagrams, of how the Tomcat IIS starts up.
• Request Process Flow - A detailed description of how Tomcat handles a request.